<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <div id="app">
      <!-- <div :style="{ color, fontSize }">hehe</div> -->
      <div :style="styleObj">hehe</div>
    </div>

    <script src="../vue.js"></script>
    <script>
      new Vue({
        el: '#app',
        data: {
          // color: 'red',
          // fontSize: '36px',
          styleObj: { color: 'red', fontSize: '48px' },
        },
      });
    </script>
  </body>
</html>
